Alkanna RootScientific Name(s): Alkanna tinctoria (L.) Tausch Family: Boraginaceae

Common Name(s): Alkanet , alkannawurzel (German), alkermeswurzel (German), Anchusa tinctoria , Dyers's Bugloss , henna , orchanet (English), racine d'alcanna (French), racine d'orcanette (French), radix anchusea (tinctoriae) (Latin), rote ochsenzungenwurzel (German), schminkwurzel (German)

Uses of Alkanna Root

Alkanna is an astringent and a source of red pigment used in cosmetics. It was traditionally used topically for the treatment of skin wounds and diseases. Orally, alkanna root has been used for diarrhea and gastric ulcers. Alkanna root has demonstrated radical scavenging activity, suggesting potential antiaging effects; however, clinical trial information is lacking.

Alkanna Root Dosing

No recent clinical data justify human dosage.


Contraindications have not been identified.


Documented adverse effects. Contains pyrrolizidine alkaloids. Avoid use.

Alkanna Root Interactions

The pyrrolizidine alkaloid components of alkanna root are substrates for the cytochrome P450 3A4 isoenzyme. Inducers of this isoenzyme, including rifampin, St. John's wort, and phenobarbital, may increase the conversion of pyrrolizidine alkaloids to toxic metabolites.

Alkanna Root Adverse Reactions

Alkanna root may cause acute liver failure, cirrhosis, pneumonitis, pulmonary hypertension, or heart failure.


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Alkanna tinctoria een vaste plant met blauwe bloemen. De wortel kleurt wol paars bij 70 graden.Bij hogere temperaturen wordt de kleur grijzer.